Over the coming year, Firefox will be putting the finishing touches on a plan it set in motion in 2015, which was to replace the aging Add-ons API with a new system called WebExtensions, based on the ...

Firefox supports small programs, or plug-ins, that add extra functionality to the browser. These programs are called Add-ons. These programs can add a myriad of features ranging from a new toolbar ...

An expired certificate on the Mozilla Add-ons infrastructure is disabling Firefox add-ons for millions of users, and is also preventing users from re-activating or (re-)installing extensions. The ...

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Adding a VPN extension to Firefox will turn your browser into an IP-shifting tool that also lets you surf the internet more ...

Firefox is popular in part because it allows anyone to extend the browser with all sorts of additional functionality through its add-on framework. Add-ons can turn Firefox into a BitTorrent client, an ...

Mozilla has released a Hall of Fame that software developers definitely don't want to be on. To promote the fact that not all Firefox add-ons are created equal, the browser-builder has named and ...

Firefox add-ons are a great way to add features and improve security in Mozilla’s browser, but they can seriously slow performance too. Now Mozilla is taking action against those speed-killing ...

Over the past two weeks, Mozilla's add-on review team has banned 197 Firefox add-ons that were caught executing malicious code, stealing user data, or using obfuscation to hide their source code. The ...

Mozilla has made several changes to its Firefox browser after discovering that two add-ons, which were installed by approximately 455,000 people, abused one of its APIs. "In early June, we discovered ...

Firefox Chief Technology Officer Eric Rescorla has written a detailed blog post explaining exactly how the browser's add-ons came to break all at once last week, how it was fixed, and how the company ...